Wither (This deals damage to creatures in the form of -1/-1 counters.)
At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.
![Midnight Banshee [Modern Masters 2015]](https://inekosingles.com/wp-content/uploads/ineko-product-images/d4/d4e04b5c7bcd9403df39b92b4f4721af0faa12441acb0993c6aaf645ead379b7.webp)
![Midnight Banshee [Modern Masters 2015]](https://inekosingles.com/wp-content/uploads/ineko-product-images/d4/d4e04b5c7bcd9403df39b92b4f4721af0faa12441acb0993c6aaf645ead379b7.webp)
Wither (This deals damage to creatures in the form of -1/-1 counters.)
At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.